Copper Basin

Yavapai County, Arizona, United States

CopperMolybdenumGoldLeadZincSilver

⌖ Show on map USGS source ↗

Commodities

PrimaryCopper

SecondaryMolybdenum

TertiaryGold, Lead, Zinc, Silver

Commodity typeM

Deposit

Deposit typePorphyry Cu

Model53: Porphyry Cu

Deposit sizeS

WorkingsSurface, Underground

Orebody formPipe, Cylindrical or elliptical, Vertical

Ore controlGranodiorite-Quartz Diorite Phase Of Stock, Shallow Dipping Fractures, Breccia Pipe

Materials

Ore mineralsChalcocite, Chalcopyrite, Chrysocolla, Copper, Malachite, Molybdenite, Pyrite, Tenorite, Azurite, Bornite, Cuprite, Ferrimolybdite, Hematite, Jarosite, Limonite

Geology

Host rockQuartz Monzonite,Diorite,Metasedimentary Rock,Quartz Latite

Associated rockQuartz Monzonite,Diorite,Quartz Latite · Copper Basin Stock

StructureBreccia Around Older Quartz Latite Porphyry, N10-20e Regional Fault

AlterationPhyllic Core, Potassic, Propylitic, Silicic, Oxidation

Economic & production

Development statusPast Producer

First production1911

Last production1961

Discovery year1890

Identification

Deposit ID10072137

MRDS IDW016056

Alternate namesCopper Hill, Loma Prieta, Commercial, Western Copper

RegionNA

Data scoreA

Coordinates34.49172, -112.58408

References

Christman, 1978, M.S. Thesis, Univ Of Az.Johnston, 1955, Ph.D Thesis, Univ Of Utah.Johnston And Lowell, 1961, Geology And Origin Of Mineralized Breccia Pipes In Copper Basin, Arizona: Econ Geol, V. 56, P. 916-940.Anderson, C.A., 1943, Report On A Brief Examination Of The Molybdenite Prospects At Copper Basin, Yavapai County, Arizona: Unpublished Report.Tovote, W., 1917, Loma Prieta Mines: Unpublished Report.Sawyer, M.B., Gurmendi, A.C., Daley, M.R., And Howell, S.B., 1992, Principal Deposits Of Strategic And Critical Minerals In Arizona: United Stats Bureau Of Mines Special Publication, 334 P.1974 Phelps Dodge Annual ReportCopper Basin Land Exchange Environ. Statement-Prescott N.F.Securities And Exchange Commission, Form 10-K, 1982, Phelps Dodge Corp., P.4.Dept. Of Min. Resources, State Of Az., Table Xxii, Proven Copper Reserves In Arizona, 1978.Sw Pay Dirt, 8-87, P.16a.Sw Pay Dirt, 12-90, P.7a.CimriJolly, J.L.W. and Edelstein, D.L., 1983, Copper; in Minerals Yearbook 1983, Volume 2, United States Bureau Of Mines, p. 277-319.Sawyer And Others, 1992.Phelps Dodge Corp., Sec Form 10-K Rept, 12/31/93, P. 14.Phelps Dodge Corp., 1994 10-K, P.14.Pay Dirt Mag. (Southwestern Ed.). Apr 1989, P. 7a.Phelps Dodge Corp. 1995 Annual Report, P.23.